[INFO] fetching crate oakc 0.6.1...
[INFO] checking oakc-0.6.1 against master#430feb24a46993e5073c1bb1b39da190d83fa2bf for pr-78363
[INFO] extracting crate oakc 0.6.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate oakc 0.6.1 on toolchain 430feb24a46993e5073c1bb1b39da190d83fa2bf
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate oakc 0.6.1
[INFO] finished tweaking crates.io crate oakc 0.6.1
[INFO] tweaked toml for crates.io crate oakc 0.6.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate oakc 0.6.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a57dd87413ba6a2ea59be98a674babce1fb5c6a0dca36172c35d397af2b59110
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a57dd87413ba6a2ea59be98a674babce1fb5c6a0dca36172c35d397af2b59110", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a57dd87413ba6a2ea59be98a674babce1fb5c6a0dca36172c35d397af2b59110", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a57dd87413ba6a2ea59be98a674babce1fb5c6a0dca36172c35d397af2b59110", kill_on_drop: false }`
[INFO] [stdout] a57dd87413ba6a2ea59be98a674babce1fb5c6a0dca36172c35d397af2b59110
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1a3b1b9179e1492025d19552eb907388dd8088f7cfda899a94a2840ca73161a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c1a3b1b9179e1492025d19552eb907388dd8088f7cfda899a94a2840ca73161a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling bit-vec v0.6.2
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]    Compiling diff v0.1.12
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking asciicolor v0.1.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]     Checking minimad v0.6.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]    Compiling bit-set v0.5.2
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]    Compiling indexmap v1.5.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking ena v0.14.0
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking crossbeam-channel v0.4.3
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking mio v0.7.0
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking ascii-canvas v2.0.0
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking crossterm v0.17.7
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling lalrpop-util v0.19.0
[INFO] [stderr]     Checking comment-strip v0.1.3
[INFO] [stderr]     Checking comment v0.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking termimad v0.8.25
[INFO] [stderr]     Checking string_cache v0.8.0
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stderr]     Checking lalrpop v0.19.0
[INFO] [stderr]    Compiling oakc v0.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 31s
[INFO] running `Command { std: "docker" "inspect" "c1a3b1b9179e1492025d19552eb907388dd8088f7cfda899a94a2840ca73161a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1a3b1b9179e1492025d19552eb907388dd8088f7cfda899a94a2840ca73161a", kill_on_drop: false }`
[INFO] [stdout] c1a3b1b9179e1492025d19552eb907388dd8088f7cfda899a94a2840ca73161a